Vibration grinding device for producing powder metallurgy surface rolling chain wheel

The utility model relates to the technical field of vibration grinding devices, and discloses a vibration grinding device for powder metallurgy surface rolling chain wheel production. The vibration grinding device comprises a grinding box body, four supporting columns are arranged at the bottom end in the grinding box body at equal intervals, a supporting plate is arranged at the tops of the supporting columns, and a grinding box is arranged at the top of the supporting plate. The top end of the first telescopic rod penetrates through the supporting plate to be connected with the bottom of the grinding box through a hinge, the top end of the second telescopic rod penetrates through the grinding box to be connected with a third motor, and the top end of a third telescopic column penetrates through the grinding box to be connected with a fourth motor. The third telescopic column is clamped into the concave buckle block through the convex buckle to be connected with the vibration disc, and a material taking door